Publications of the Astronomical Society of the Pacific, Volumes 3-4Astronomical Society of the Pacific, 1891 |
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Page 14
... angle as shown . The CASSINI division is seen quite up to the shadows on both sides . 1879 , Oct. 16 , about 12h 30m , W. m . t . WVt . 2 . 26 - inch equatorial . Figures 3 and 4 are 4 refers to the N. part on the rings is seen on The ...
... angle as shown . The CASSINI division is seen quite up to the shadows on both sides . 1879 , Oct. 16 , about 12h 30m , W. m . t . WVt . 2 . 26 - inch equatorial . Figures 3 and 4 are 4 refers to the N. part on the rings is seen on The ...
Page 14
... angle where they meet the ends of this ring out- side the ball [ i . e . , the ends on the planet are wider . ] 1880 , Aug. 26. Time ? 26 - inch equatorial . ( Drawings omitted . ) The shadow of the ball on the ring has about these ...
... angle where they meet the ends of this ring out- side the ball [ i . e . , the ends on the planet are wider . ] 1880 , Aug. 26. Time ? 26 - inch equatorial . ( Drawings omitted . ) The shadow of the ball on the ring has about these ...
Page 15
... angle of 55 ° -60 ° with the circumference of the ball near it . a and b meet at a vertex at the principal division . There is a shade on the ball which bor- ders the shadow of the ball on the west end of the ring . There is also a ...
... angle of 55 ° -60 ° with the circumference of the ball near it . a and b meet at a vertex at the principal division . There is a shade on the ball which bor- ders the shadow of the ball on the west end of the ring . There is also a ...
Page 18
... angle terminating the shadow will alter the position of the end of the Ring A greatly . The illusion in regard to the prolongation of the principal division I explain by supposing the eye makes this ellipse to be similar to that of the ...
... angle terminating the shadow will alter the position of the end of the Ring A greatly . The illusion in regard to the prolongation of the principal division I explain by supposing the eye makes this ellipse to be similar to that of the ...
Page 31
... angle being at the north - east corner of the room . heavy wooden beams are supported on the piers , and form the sides about the right angle . To each beam an adjustable steel rail is bolted , and these would meet , if produced , at ...
... angle being at the north - east corner of the room . heavy wooden beams are supported on the piers , and form the sides about the right angle . To each beam an adjustable steel rail is bolted , and these would meet , if produced , at ...
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Common terms and phrases
angle aperture appears Astronomical Astronomical Society atmosphere August axis bright BURCKHALTER California Street Catalogue Chicago Section chronometer Comet Committee copies corona coronal pole crater dark diameter Directors disc distance drawings E. E. BARNARD eclipse elected elongated equator equatorial exposure eye-piece HOLDEN inches instrument J. M. SCHAEBERLE July Jupiter Jupiter's KEELER latitude Library Lick Observatory light limb London longitude lunar magnitude means meeting meridian meridian circle meteors minutes Miss CLERKE MOLERA Moon Mount Hamilton nebula negatives object observations obtained Pacific parallax Paris photographic PIERSON planet plates polar position present Prof Professor WEINEK proper motions Publications radiant rays reference book right ascension ring San Francisco satellite SCHMIDT Secretary seen shadow solar spectra spectrum spot stars stellar sun-spots sun's telescope temperature tion TRANSIT OF MERCURY U. S. Naval Observatory University visible W. H. S. MONCK W. W. CAMPBELL Washington Zodiacal light